Takao Ito
74Patents
15h-index
125Co-inventors
87Inventor score
Filing activity: Jul 7, 1976 → Sep 24, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5034112A | Device for measuring concentration of nitrogen oxide in combustion gas | Emerging Cross-Sectional Technologies | 448 | Expired |
| US5429519A | Connector examining device | Electricity | 44 | Expired |
| US4398975A | Conductive paste | Electricity | 36 | Expired |
| US4782030A | Method of manufacturing bipolar semiconductor device | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5834814A | Semiconductor integrated circuit | Physics | 31 | Expired |
| US4528064A | Method of making multilayer circuit board | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4067937A | Method for forming a light transmission glass fiber equipped with an optical lens | Physics | 26 | Expired |
| US6410561B1 | Amide derivatives and nociceptin antagonists | Chemistry; Metallurgy | 25 | Expired |
| US4677252A | Circuit board | Electricity | 24 | Expired |
| US4435611A | Conductive paste | Electricity | 24 | Expired |
| US7891452B2 | Automobile rear structure | Mechanical Engineering; Lighting; Heating | 21 | Active |
| US5128667A | Wireless remote controller for outputting in seriatim an operation mode signal for each of a plurality of receiving devices | Physics | 20 | Expired |
| US6422831B1 | Variable displacement piston pump/motor | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US5585664A | Semiconductor integrated circuit device | Electricity | 16 | Expired |
| US6489653B2 | Lateral high-breakdown-voltage transistor | Electricity | 15 | Expired |
| US4810668A | Semiconductor device element-isolation by oxidation of polysilicon in trench | Electricity | 13 | Expired |
| US4779947A | Optical-fiber coupling device | Physics | 12 | Expired |
| US5759887A | Semiconductor device and a method of manufacturing a semiconductor device | Electricity | 11 | Expired |
| US4568143A | Optical fiber crossover switching apparatus | Physics | 10 | Expired |
| US5419711A | Connector inspecting apparatus | Physics | 9 | Expired |
| US5375627A | Method and weaving machine for producing multi-axial fabric | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5604655A | Semiconductor protection circuit and semiconductor protection device | Electricity | 8 | Expired |
| US5582523A | Connector inspecting apparatus | Physics | 7 | Expired |
| US4695724A | AC-modulation quadrupole mass spectrometer | Electricity | 6 | Expired |
| US5490798A | Connector examining device | Electricity | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.